What is the 224.0 0.252 address?
Link-local Multicast Name Resolution
Notable IPv4 multicast addresses
| IP multicast address | Description | Routable |
|---|---|---|
| 224.0.0.252 | Link-local Multicast Name Resolution (LLMNR) address | No |
| 224.0.0.253 | Teredo tunneling client discovery address | No |
| 224.0.1.1 | Network Time Protocol clients listen on this address for protocol messages when operating in multicast mode. | Yes |
Who IP is 224. 0 0. 252?
224.0. 0.252: Link-local Multicast Name Resolution (LLMNR) address, used by Microsoft products.
What is link-local multicast address?
The Link-Local Multicast Name Resolution (LLMNR) is a protocol based on the Domain Name System (DNS) packet format that allows both IPv4 and IPv6 hosts to perform name resolution for hosts on the same local link. It is included in Windows Vista, Windows Server 2008, Windows 7, Windows 8 and Windows 10.
What is this IP 224.0 0.252 used for?
224.0. 0.252 is specifically used for Link Local Multicast Name Resolution (LLMNR) and as such, this traffic is perfectly normal.
What is ff02 Facebook?
ff02 is the IPv6 multicast scope. The context where I’ve seen ff02::fb used as a destination is when Apple’s AirPort Utility uses MDNS (multicast dns) to locate AirPort Extreme wifi routers on the local network.
What is multicast data?
In computer networking, multicast is group communication where data transmission is addressed to a group of destination computers simultaneously. Multicast can be one-to-many or many-to-many distribution. Multicast should not be confused with physical layer point-to-multipoint communication.
What is IPv6 FF02?
These addresses are equivalent to IPv4 well-known multicast addresses in the range 224.0. 0.0 to 239.255. 255.255. Some examples of IPv6 well-known multicast addresses include the following: ff02::1: All IPv6 devices.
What does listening on all interfaces mean?
When a service is listening on 0.0.0.0 this means the service is listening on all the configured network interfaces, when listening on 127.0.0.1 the service is only bound to the loopback interface (only available on the local machine)